CN113023632A - Novel stable variable fire control aerial ladder - Google Patents

Novel stable variable fire control aerial ladder Download PDF

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Publication number
CN113023632A
CN113023632A CN202110314006.6A CN202110314006A CN113023632A CN 113023632 A CN113023632 A CN 113023632A CN 202110314006 A CN202110314006 A CN 202110314006A CN 113023632 A CN113023632 A CN 113023632A
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CN
China
Prior art keywords
aerial ladder
fixedly connected
base
side wall
lead screw
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Granted
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CN202110314006.6A
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Chinese (zh)
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CN113023632B (en
Inventor
蓝美娟
于斌山
张思源
吴宇翀
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Zhejiang College of Security Technology
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Zhejiang College of Security Technology
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Publication of CN113023632A publication Critical patent/CN113023632A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • B66F11/042—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations actuated by lazy-tongs mechanisms or articulated levers
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C27/00—Fire-fighting land vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/08—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with rubber springs ; with springs made of rubber and metal

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Ladders (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The invention discloses a novel stable and variable fire control aerial ladder, which comprises a base, wherein a cavity is formed in the base, the inner side wall of the cavity is fixedly connected with a servo motor, the output end of the servo motor is fixedly connected with a lead screw, the end part, far away from the servo motor, of the lead screw penetrates through the side wall of the base and extends outwards, the lead screw is connected with a sliding rod through a sliding device, the lead screw is connected with a winding drum through a linkage device, a rope is arranged on the winding drum, an aerial ladder assembly is arranged on the base, the aerial ladder assembly is connected with a railing through a buffer device, and the free end of the rope is connected with the railing; according to the aerial ladder assembly, the linkage rod and the fixed rod rotate, so that two adjacent rectangular frames are close to each other or far away from each other, when the adjacent rectangular frames are close to each other, the whole aerial ladder assembly is in a storage state, the size is reduced, the occupied space is reduced, the aerial ladder assembly is convenient to move, and the aerial ladder assembly can timely relieve disasters.

Description

Novel stable variable fire control aerial ladder
Technical Field
The invention relates to the technical field of fire fighting equipment, in particular to a novel stable and variable fire control aerial ladder.
Background
The aerial ladder fire truck is provided with a hydraulic lifting platform for a fire fighter to ascend to rescue a high-rise building, tall facilities, an oil tank and other fires, rescue trapped people, rescue valuable goods and materials and complete other rescue tasks, and is provided with a fire fighting aerial ladder which can be provided with a lifting bucket rotary table for the fire fighter to ascend to extinguish a fire and rescue the trapped people, so that the aerial ladder fire truck is suitable for rescuing the high-rise building fires;
most sizes of current aerial ladder are great, lack and accomodate the function, need the oversize vehicle to provide the support, must need the turnover in great space, then in present city, the traffic is comparatively crowded, the oversize vehicle is difficult to go, delay the relief easily, lead to the unnecessary loss, and current aerial ladder of fire fighting lacks supporting facilities such as rope, it carries the rope to rescue to need the fireman mostly, it is very inconvenient to fireman's rescue work, the lift fill revolving stage is along with the rising of aerial ladder of fire fighting, can follow and rise, and be accompanied with the shock, rise height is higher more high, it is obvious more to vibrate, bring the potential safety hazard for fire fighting work, for this reason, we design a novel stable variable aerial ladder of fire fighting.
Disclosure of Invention
The invention aims to solve the defects that the existing aerial ladder is large in size, lacks of a storage function and supporting facilities and often vibrates when rising, and provides a novel stable and variable aerial ladder.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel stabilize variable fire control aerial ladder, includes the base, the cavity has been seted up in the base, cavity inside wall fixedly connected with servo motor, servo motor output fixedly connected with lead screw, servo motor's tip is kept away from to the lead screw runs through the base lateral wall and outwards extends, the lead screw is connected with the slide bar through slider, the lead screw is connected with the receipts reel through the aggregate unit, be provided with the rope on the receipts reel, be provided with aerial ladder subassembly on the base, the aerial ladder subassembly is connected with the railing through buffer, the free end and the railing of rope are connected.
Preferably, slider include with lead screw lateral wall threaded connection's lead screw nut, the fixed traveling ring that has cup jointed of lead screw nut lateral wall, the traveling ring lateral wall is connected with the slide bar, the sliding tray that corresponds with the slide bar is seted up to the base lateral wall, slide bar lateral wall and sliding tray inside wall sliding connection, sliding tray and cavity looks UNICOM.
Preferably, the linkage device comprises a supporting block fixedly connected with the outer side wall of the base, the supporting block is connected with a rotating shaft through a bearing, one end of the rotating shaft is connected with the end part, far away from the servo motor, of the screw rod through a bevel gear set, and the other end of the rotating shaft is fixedly connected with the winding drum.
Preferably, the outer ring of the bearing is fixedly connected with the supporting block, and the inner ring of the bearing is fixedly connected with the outer side wall of the rotating shaft.
Preferably, the aerial ladder subassembly includes rotate the gangbar of being connected and the rectangle frame with base fixed connection with the slide bar both ends, the three dead lever of fixedly connected with on the rectangle frame, it is three the lateral wall that the both ends of dead lever all run through the rectangle frame outwards extends to rotate with the gangbar and be connected, gangbar, rectangle frame and three dead lever are a combination, the aerial ladder subassembly comprises a plurality of combinations.
Preferably, buffer includes and keeps away from the first back up coat of the rectangle frame fixed connection of base, first back up coat is connected with the second back up coat through the rubber pad, second back up coat and railing fixed connection, a plurality of reinforcement pieces of first back up coat and the equal fixedly connected with of second back up coat lateral wall, adjacent the reinforcement piece passes through the telescopic link and connects, the cover is equipped with buffer spring on the telescopic link, buffer spring's both ends respectively with adjacent reinforcement piece fixed connection.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the aerial ladder assembly, the linkage rod and the fixed rod rotate, so that two adjacent rectangular frames are close to each other or far away from each other, when the adjacent rectangular frames are close to each other, the whole aerial ladder assembly is in a storage state, the size is reduced, the occupied space is reduced, the aerial ladder assembly is convenient to move, and the aerial ladder assembly can timely relieve disasters.
2. According to the aerial ladder assembly, under the action of the rubber pad and the buffer spring, the vibration sense is reduced when the aerial ladder assembly is pulled up or lowered, potential safety hazards are eliminated, and the smooth disaster relief is guaranteed.
3. According to the aerial ladder component, the winding drum can rotate along with the lifting of the aerial ladder component, the rope can come out of the winding drum to increase the length, the winding drum rotates reversely along with the descending of the aerial ladder component, the rope can enter the winding drum to reduce the length, the simultaneity is guaranteed, and the aerial ladder component is convenient for firefighters to use.
Drawings
FIG. 1 is a schematic structural view of a novel stable and variable aerial ladder for fire fighting, according to the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of a connection structure of a rectangular frame and a fixed rod of the novel stable and variable aerial ladder;
fig. 4 is a schematic top cross-sectional view of a novel stable variable fire control aerial ladder according to the present invention.
In the figure: the device comprises a base 1, a chamber 2, a servo motor 3, a lead screw 4, a sliding rod 5, a winding drum 6, a rope 7, a railing 8, a lead screw nut 9, a moving ring 10, a sliding groove 11, a supporting block 12, a bearing 13, a rotating shaft 14, a bevel gear set 15, a linkage rod 16, a rectangular frame 17, a fixing rod 18, a first reinforcing layer 19, a rubber pad 20, a second reinforcing layer 21, a reinforcing block 22, a telescopic rod 23 and a buffer spring 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-4, a novel stable and variable fire control aerial ladder comprises a base 1, a cavity 2 is formed in the base 1, a servo motor 3 is fixedly connected to the inner side wall of the cavity 2, the servo motor 3 is the prior art and is not described herein, a lead screw 4 is fixedly connected to the output end of the servo motor 3, the end portion, away from the servo motor 3, of the lead screw 4 penetrates through the side wall of the base 1 and extends outwards, the lead screw 4 is connected with a sliding rod 5 through a sliding device, further, the sliding device comprises a lead screw nut 9 in threaded connection with the outer side wall of the lead screw 4, a moving ring 10 is fixedly connected to the outer side wall of the lead screw nut 9, the outer side wall of the moving ring 10 is connected with the sliding rod 5, a sliding groove 11 corresponding to the sliding rod 5 is formed in the side wall of the base 1, the outer side;
the screw rod 4 is connected with the winding drum 6 through a linkage device, further, the linkage device comprises a supporting block 12 fixedly connected with the outer side wall of the base 1, the supporting block 12 is connected with a rotating shaft 14 through a bearing 13, the supporting block 12 is provided with an opening corresponding to the bearing 13, one end of the rotating shaft 14 is connected with the end part of the screw rod 4 far away from the servo motor 3 through a bevel gear set 15, the bevel gear set 15 is two same bevel gears, the two same bevel gears are meshed and connected with each other, the driving force of the servo motor 3 can act on the rotating shaft 14, the other end of the rotating shaft 14 is fixedly connected with the winding drum 6, furthermore, the outer ring of the bearing 13 is fixedly connected with the supporting block 12, the inner ring of the bearing 13 is fixedly connected with the outer side wall of the rotating shaft 14, and the bearing 13 is arranged to limit the movement of the rotating shaft 14 so that the rotating shaft 14 can only rotate;
the rope 7 is arranged on the winding drum 6, the scaling ladder assembly is arranged on the base 1, and further the scaling ladder assembly comprises a linkage rod 16 rotatably connected with two ends of the sliding rod 5 and a rectangular frame 17 fixedly connected with the base 1, wherein the linkage rod 16 rotatably connected with two ends of the sliding rod 5 has a telescopic function, other linkage rods 16 do not have a telescopic function (refer to fig. 1), three fixing rods 18 are fixedly connected with the rectangular frame 17, two ends of the three fixing rods 18 extend outwards through the side wall of the rectangular frame 17 and are rotatably connected with the linkage rod 16, the rectangular frame 17 and the three fixing rods 18 are combined, and the scaling ladder assembly is composed of a plurality of combinations;
the aerial ladder assembly is connected with a railing 8 through a buffer device, the buffer device further comprises a first reinforcing layer 19 fixedly connected with a rectangular frame 17 far away from the base 1, the first reinforcing layer 19 is connected with a second reinforcing layer 21 through a rubber pad 20, the rubber pad 20 has elasticity and can play a role in buffering, the second reinforcing layer 21 is fixedly connected with the railing 8, a plurality of reinforcing blocks 22 are fixedly connected to the outer side walls of the first reinforcing layer 19 and the second reinforcing layer 21, adjacent reinforcing blocks 22 are connected through telescopic rods 23, the telescopic rods 23 are sleeved with buffer springs 24, and two ends of each buffer spring 24 are fixedly connected with the adjacent reinforcing blocks 22 respectively; the free end of the rope 7 is connected with the railing 8, and here, it should be noted that the connection mode of the free end of the rope 7 with the railing 8 is a knotting mode.
The working principle of the invention is as follows:
when high-rise rescue is needed, the servo motor 3 is started, the output end of the servo motor 3 drives the screw rod 4 to rotate, the screw rod 4 rotates, the moving ring 10 is driven to move through the conduction of the screw rod nut 9, the two sliding rods 5 are driven to slide in the sliding groove 11, the linkage rod 16 is driven to rotate, the two adjacent rectangular frames 17 are far away from each other, the whole aerial ladder assembly is in a rising stage (stretching state), meanwhile, the rotation of the screw rod 4 drives the rotation shaft 14 to rotate through the conduction of the bevel gear set 15, the winding drum 6 is driven to rotate, ropes in the winding drum 6 are discharged, the ascending of the aerial ladder assembly is synchronous with the ascending of the aerial ladder assembly, the vibration of the first reinforcing layer 19 and the vibration of the second reinforcing layer 21 are reduced through the action of the rubber pad 20, and the reinforcing blocks 22, the telescopic rod 23 and the buffer springs 24 interact with each other, the vibration between the first reinforcing layer 19 and the second reinforcing layer 21 is reduced, and the vibration is double-damping, so that the vibration feeling is obviously reduced;
after the rescue work is completed, the output end of the servo motor 3 rotates reversely, the lead screw 4 rotates reversely, the conduction through the lead screw nut 9 drives the reverse movement of the moving ring 10, the two sliding rods 5 are driven to slide reversely in the sliding groove 11, the linkage rod 16 is driven to rotate reversely, two adjacent rectangular frames 17 are close to each other, the whole scaling ladder assembly is in a descending stage (a contraction state), meanwhile, the lead screw 4 rotates reversely, the conduction through the bevel gear set 15 drives the reverse rotation of the rotating shaft 14, the reverse rotation of the winding drum 6 is driven, the rope in the winding drum 6 is wound, and the rope has simultaneity with the descending of the scaling ladder assembly.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (6)

1. The utility model provides a novel stabilize variable fire control aerial ladder, includes the base, its characterized in that, the cavity has been seted up in the base, cavity inside wall fixedly connected with servo motor, servo motor output fixedly connected with lead screw, servo motor's tip is kept away from to the lead screw runs through the base lateral wall and outwards extends, the lead screw is connected with the slide bar through slider, the lead screw is connected with the receipts reel through the aggregate unit, be provided with the rope on the receipts reel, be provided with aerial ladder subassembly on the base, aerial ladder subassembly is connected with the railing through buffer, the free end and the railing of rope are connected.
2. The novel stable and changeable fire control aerial ladder as claimed in claim 1, wherein the sliding device comprises a screw nut in threaded connection with an outer side wall of the screw, a moving ring is fixedly sleeved on an outer side wall of the screw nut, an outer side wall of the moving ring is connected with a sliding rod, a sliding groove corresponding to the sliding rod is formed in a side wall of the base, an outer side wall of the sliding rod is in sliding connection with an inner side wall of the sliding groove, and the sliding groove is communicated with the chamber.
3. The novel stable and variable fire control aerial ladder as claimed in claim 1, wherein the linkage comprises a supporting block fixedly connected with the outer side wall of the base, the supporting block is connected with a rotating shaft through a bearing, one end of the rotating shaft is connected with the end part of the screw rod far away from the servo motor through a bevel gear set, and the other end of the rotating shaft is fixedly connected with the winding drum.
4. The novel stable and variable fire control aerial ladder as claimed in claim 3, wherein the outer ring of the bearing is fixedly connected with the supporting block, and the inner ring of the bearing is fixedly connected with the outer side wall of the rotating shaft.
5. The novel stable and changeable fire-fighting aerial ladder as claimed in claim 1, wherein the aerial ladder assembly comprises a linkage rod rotatably connected with two ends of the sliding rod and a rectangular frame fixedly connected with the base, three fixing rods are fixedly connected to the rectangular frame, two ends of each fixing rod extend outwards through the side wall of the rectangular frame and are rotatably connected with the linkage rod, the rectangular frame and the three fixing rods are combined into a whole, and the aerial ladder assembly is composed of a plurality of combinations.
6. The novel stable and variable fire control aerial ladder according to claim 5, wherein the buffering device comprises a first reinforcing layer fixedly connected with a rectangular frame far away from the base, the first reinforcing layer is connected with a second reinforcing layer through a rubber pad, the second reinforcing layer is fixedly connected with the rail, a plurality of reinforcing blocks are fixedly connected to the outer side walls of the first reinforcing layer and the second reinforcing layer respectively, the adjacent reinforcing blocks are connected through a telescopic rod, a buffering spring is sleeved on the telescopic rod, and two ends of the buffering spring are fixedly connected with the adjacent reinforcing blocks respectively.
CN202110314006.6A 2021-03-24 2021-03-24 Stable variable fire control aerial ladder Active CN113023632B (en)

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Application Number Priority Date Filing Date Title
CN202110314006.6A CN113023632B (en) 2021-03-24 2021-03-24 Stable variable fire control aerial ladder

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CN113023632B CN113023632B (en) 2022-12-27

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB151250A (en) * 1915-01-15 1921-10-12 C D Magirus Ag Improvements in fire-escapes and the like
US20030051942A1 (en) * 2001-09-20 2003-03-20 Atkins Charlie C. Mobile elevating hut
CN103011030A (en) * 2011-09-26 2013-04-03 江苏中盛建设集团有限公司 Folding type lifting rack
CN107441660A (en) * 2017-07-13 2017-12-08 瑞安市嘉盛机械有限公司 Fast-escape hook and ladder
CN108868576A (en) * 2018-06-27 2018-11-23 深圳市玖品空气净化科技有限公司 A kind of folding aerial ladder easy to remove
CN108910802A (en) * 2018-07-30 2018-11-30 龙仕银 A kind of build concrete plastering hoistable platform
CN109113564A (en) * 2018-08-14 2019-01-01 浙江迈斯建筑装饰设计有限公司 A kind of ceiling finishing uses lifting platform
CN209942188U (en) * 2019-05-13 2020-01-14 青岛温泉建设集团有限公司 Construction lift protection platform for building
CN210313400U (en) * 2019-06-04 2020-04-14 徐州和胜重工有限公司 Lifting platform capable of moving in all directions
CN210736094U (en) * 2019-08-05 2020-06-12 苏州鸿林金属制品有限公司 Movable elevating platform
CN111533057A (en) * 2020-04-17 2020-08-14 宋延升 Construction platform for constructional engineering and use method
CN211573357U (en) * 2019-10-12 2020-09-25 肖子文 Crawling ladder for electric power overhaul

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB151250A (en) * 1915-01-15 1921-10-12 C D Magirus Ag Improvements in fire-escapes and the like
US20030051942A1 (en) * 2001-09-20 2003-03-20 Atkins Charlie C. Mobile elevating hut
CN103011030A (en) * 2011-09-26 2013-04-03 江苏中盛建设集团有限公司 Folding type lifting rack
CN107441660A (en) * 2017-07-13 2017-12-08 瑞安市嘉盛机械有限公司 Fast-escape hook and ladder
CN108868576A (en) * 2018-06-27 2018-11-23 深圳市玖品空气净化科技有限公司 A kind of folding aerial ladder easy to remove
CN108910802A (en) * 2018-07-30 2018-11-30 龙仕银 A kind of build concrete plastering hoistable platform
CN109113564A (en) * 2018-08-14 2019-01-01 浙江迈斯建筑装饰设计有限公司 A kind of ceiling finishing uses lifting platform
CN209942188U (en) * 2019-05-13 2020-01-14 青岛温泉建设集团有限公司 Construction lift protection platform for building
CN210313400U (en) * 2019-06-04 2020-04-14 徐州和胜重工有限公司 Lifting platform capable of moving in all directions
CN210736094U (en) * 2019-08-05 2020-06-12 苏州鸿林金属制品有限公司 Movable elevating platform
CN211573357U (en) * 2019-10-12 2020-09-25 肖子文 Crawling ladder for electric power overhaul
CN111533057A (en) * 2020-04-17 2020-08-14 宋延升 Construction platform for constructional engineering and use method

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